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  • Question
  • What happens when some charge is placed on a soap bubble?


  • Options
  • A. Its radius decreases
  • B. Its radius increases
  • C. The bubble Collapses
  • D. The bubble expands

  • Correct Answer
  • Its radius increases 


  • General Science problems


    Search Results


    • 1. Which one of the following types of laser is used in laser printers?

    • Options
    • A. Semiconductor laser
    • B. Dye laser
    • C. Gas laser
    • D. Excimer laser
    • Discuss
    • 2. Which of the following plants is not capable of manufacturing own food?

    • Options
    • A. Algae
    • B. Mushroom
    • C. Carrot
    • D. Cabbage
    • Discuss
    • 3. Which is the largest satellite in the solar system?
    • Discuss
    • 4. When a gas is turned into a liquid, the process is called

    • Options
    • A. condensation
    • B. evaporation
    • C. deposition
    • D. sublimation
    • Discuss
    • 5. The gases used in different types of welding would include

    • Options
    • A. oxygen and hydrogen
    • B. oxygen and acetylene
    • C. oxygen, acetylene and argon
    • D. oxygen, hydrogen, acetylene and nitrogen
    • Discuss
    • 6. The filament of an electric bulb is made of

    • Options
    • A. tungsten
    • B. nichrome
    • C. graphite
    • D. iron
    • Discuss
    • 7. What is the scientific name for washing soda?

    • Options
    • A. Sodium carbonate
    • B. Sodium bicarbonate
    • C. Calcium carbonate
    • D. Calcium bicarbonate
    • Discuss
    • 8. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

    • Options
    • A. The soil of rain forest is deficient in nutrients
    • B. Propagules of the trees in a rain forest have poor viability
    • C. The rain forest species are slow growing
    • D. Exotic species invade the fertile soil of rain forest
    • Discuss
    • 9. The uranium fuel used worldwide is mainly in the form of

    • Options
    • A. U3O8
    • B. UO2
    • C. UF6
    • D. U metal
    • Discuss
    • 10. The theory which advocates that living beings can arise only from other living beings is termed

    • Options
    • A. Bio-genesis
    • B. Abiogenesis
    • C. Catastrophism
    • D. Cosmozoic
    • Discuss


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